<div class="widget widget-archives">
    <h3 class="widget-title">归档</h3>
     <ul>
         {% for date in date_list %}
             <li>
                <a href="{% url 'blog:archive' date.year date.month %}">{{ date.year }}年{{ date.month }}月</a>
             </li>
         {% empty %}
             暂无归档！
         {% endfor %}
     </ul>
</div>